Hirschsprung's disease in a premature infant.
D001706:Biopsy; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000601:surgery*; D008531:Megacolon / Q000601:surgery*; D012007:Rectum / Q000473:pathology